Singapore legislation
Regulation 22
of Radiation Protection (Ionising Radiation) Regulations 2023
Regulation 22
Labelling of radiation areas
Subregulation 1
Except as provided in paragraph (2), every licensee, every individual who possesses or has under his or her control any irradiating apparatus or radioactive material and every individual in charge of any place where a radiation hazard may exist, must, in addition to any other labels required by these Regulations, display a notice containing the standard radiation hazard symbol specified in the Fourth Schedule —
near to each place where any irradiating apparatus or radioactive material is used;
at each entrance to any place where any radioactive material is used or stored; and
at each entrance to any place where any irradiating apparatus is used.
Subregulation 2
Paragraph (1) does not apply to a sealed source which gives a radiation level not exceeding 0.1 µSv per hour at one metre away from the centre of the source.
Subregulation 3
Any premises where the total amount of radioactive materials kept or stored on the premises exceeds 35 GBq must have a notice stating that radioactive materials are kept or stored on those premises and the notice must be displayed at all main entrances to those premises in such a manner that it can be clearly seen by any individual entering those premises.